Crystal Prospect
fluorescent CHALCEDONY and MAGNESITE - Bare Hills, Maryland, USA
Fluorescent LW white-yellow (SW weak) Quartz variety Chalcedony, with Magnesite, and minor green Serpentine.
from Bare Hills Serpentine Quarry East, Bare Hills, Baltimore County, Maryland, USA
the quarry is abandoned
Measures approximately 2.5 x 1.5 x 0.38 inch, 0.91 oz / 63 x 44 x 10 mm, 26g
Price: 6.00 USD
Item # A0191115
To show the fluorescent response the specimen was illuminated using 6 watt 254nm (Short Wave) / 366nm (Long Wave) UVGL-58 lamp (you need a proper UV light source to observe the fluorescence, more powerful lamp = brighter response).